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INVESTMENT SECURITIES - Amortized Cost and Estimated Fair Value (Details) - USD ($)	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Securities available for sale
Amortized Cost	$ 312,112,000	$ 324,731,000
Gross Unrealized Gains	802,000	214,000
Gross Unrealized Losses	(1,884,000)	(3,408,000)
Estimated Fair Value	311,030,000	321,537,000
Securities held to maturity:
Amortized cost	31,712,000	25,616,000
Gross Unrealized Gains	62,000	59,000
Gross Unrealized Losses	(3,439,000)	(3,218,000)
Estimated Fair Value	28,335,000	22,457,000
Allowance for Credit Losses	275,000	216,000	$ 238,000	$ 238,000
Net Carrying Value	31,437,000	25,400,000
Accrued interest receivable on available-for-sale debt securities	1,400,000	1,300,000
Allowance for credit losses for securities available for sale	0	0
Accrued interest receivable on held-to-maturity debt securities	337,000	254,000
Held to maturity securities, 30 days or more past due	0	0
U.S. Treasury
Securities available for sale
Amortized Cost	172,933,000	217,412,000
Gross Unrealized Gains	293,000	162,000
Gross Unrealized Losses	(373,000)	(868,000)
Estimated Fair Value	172,853,000	216,706,000
Mortgage-backed security, issued by US Government agency securities
Securities available for sale
Amortized Cost	24,434,000	20,517,000
Gross Unrealized Gains	141,000
Gross Unrealized Losses	(728,000)	(1,189,000)
Estimated Fair Value	23,847,000	19,328,000
Mortgage-backed security, issued by US Government-sponsored enterprises
Securities available for sale
Amortized Cost	22,468,000	17,522,000
Gross Unrealized Gains	128,000
Gross Unrealized Losses	(220,000)	(633,000)
Estimated Fair Value	22,376,000	16,889,000
Collateralized mortgage obligations, issued by US Government agency securities
Securities available for sale
Amortized Cost	22,776,000	18,009,000
Gross Unrealized Gains	104,000
Gross Unrealized Losses	(286,000)	(461,000)
Estimated Fair Value	22,594,000	17,548,000
Collateralized mortgage obligations issued by US Government sponsored enterprises.
Securities available for sale
Amortized Cost	53,449,000	33,489,000
Gross Unrealized Gains	88,000	1,000
Gross Unrealized Losses	(277,000)	(249,000)
Estimated Fair Value	53,260,000	33,241,000
Corporate debt securities
Securities held to maturity:
Amortized cost	28,008,000	22,000,000
Gross Unrealized Gains	62,000	59,000
Gross Unrealized Losses	(3,413,000)	(3,181,000)
Estimated Fair Value	24,657,000	18,878,000
Allowance for Credit Losses	275,000	216,000	$ 238,000	$ 238,000
Net Carrying Value	27,733,000	21,784,000
Municipal obligations
Securities available for sale
Amortized Cost	16,052,000	17,782,000
Gross Unrealized Gains	48,000	51,000
Gross Unrealized Losses		(8,000)
Estimated Fair Value	16,100,000	17,825,000
Securities held to maturity:
Amortized cost	3,704,000	3,616,000
Gross Unrealized Losses	(26,000)	(37,000)
Estimated Fair Value	3,678,000	3,579,000
Net Carrying Value	$ 3,704,000	$ 3,616,000

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